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authorYukihiro "Matz" Matsumoto <[email protected]>2016-11-30 10:36:17 +0900
committerYukihiro "Matz" Matsumoto <[email protected]>2016-11-30 10:36:17 +0900
commit2bb47addadb3eda796520837c21d694c8d6e3320 (patch)
tree57c57252d89435e42f78ad94381f449c517d5a52 /src/object.c
parentf7c0024b8ed4b48e8e6f58df8a9865dcc424a5b0 (diff)
downloadmruby-2bb47addadb3eda796520837c21d694c8d6e3320.tar.gz
mruby-2bb47addadb3eda796520837c21d694c8d6e3320.zip
Prohibit instantiation of immediate objects
Diffstat (limited to 'src/object.c')
-rw-r--r--src/object.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/object.c b/src/object.c
index c61feb342..f76ee68a2 100644
--- a/src/object.c
+++ b/src/object.c
@@ -8,6 +8,7 @@
#include <mruby/class.h>
#include <mruby/numeric.h>
#include <mruby/string.h>
+#include <mruby/class.h>
MRB_API mrb_bool
mrb_obj_eq(mrb_state *mrb, mrb_value v1, mrb_value v2)
@@ -265,6 +266,7 @@ mrb_init_object(mrb_state *mrb)
struct RClass *f;
mrb->nil_class = n = mrb_define_class(mrb, "NilClass", mrb->object_class);
+ MRB_SET_INSTANCE_TT(n, MRB_TT_TRUE);
mrb_undef_class_method(mrb, n, "new");
mrb_define_method(mrb, n, "&", false_and, MRB_ARGS_REQ(1)); /* 15.2.4.3.1 */
mrb_define_method(mrb, n, "^", false_xor, MRB_ARGS_REQ(1)); /* 15.2.4.3.2 */
@@ -274,6 +276,7 @@ mrb_init_object(mrb_state *mrb)
mrb_define_method(mrb, n, "inspect", nil_inspect, MRB_ARGS_NONE());
mrb->true_class = t = mrb_define_class(mrb, "TrueClass", mrb->object_class);
+ MRB_SET_INSTANCE_TT(t, MRB_TT_TRUE);
mrb_undef_class_method(mrb, t, "new");
mrb_define_method(mrb, t, "&", true_and, MRB_ARGS_REQ(1)); /* 15.2.5.3.1 */
mrb_define_method(mrb, t, "^", true_xor, MRB_ARGS_REQ(1)); /* 15.2.5.3.2 */
@@ -282,6 +285,7 @@ mrb_init_object(mrb_state *mrb)
mrb_define_method(mrb, t, "inspect", true_to_s, MRB_ARGS_NONE());
mrb->false_class = f = mrb_define_class(mrb, "FalseClass", mrb->object_class);
+ MRB_SET_INSTANCE_TT(f, MRB_TT_TRUE);
mrb_undef_class_method(mrb, f, "new");
mrb_define_method(mrb, f, "&", false_and, MRB_ARGS_REQ(1)); /* 15.2.6.3.1 */
mrb_define_method(mrb, f, "^", false_xor, MRB_ARGS_REQ(1)); /* 15.2.6.3.2 */